package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @Author learner
 * @Create 2023/12/9 14:52
 * @Version 1.0
 */
@Slf4j
//@ResponseBody
//@ControllerAdvice
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {
    
    
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handlerValidException(MethodArgumentNotValidException e) {
        log.error("数据校验异常:{}, 异常类型:{} ", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        if (bindingResult.hasErrors()) {
            Map<String, String> errorMap = new HashMap<>();
            bindingResult.getFieldErrors().forEach(fieldError -> {
                errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
            });
            return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(),BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data", errorMap);
        }
        return R.error();
    }
    
    @ExceptionHandler(value = Throwable.class)
    public R handlerException(Throwable throwable) {
        throwable.printStackTrace();
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMsg());
    }
    
}
